RARE STRONG MATCHED PAIR OF MULLARD ECC82 12AU7 NOS 

Gf2 B4E3 AND Gf2 B4E4 CODES FROM A WEEK APART IN MAY 1974 



AVO VCM163 TESTED


READINGS  - 

TUBE 1  -   Ia.  10.9/11.0.       gm.  2.2/2.2

TUBE 1  -   Ia.  11.1/10.9       gm.  2.2/2.2



100% = Ia 10.5   gm 2.2




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